: ETS 토익 정기시험 실전 1000 Vol. 1 RC (2023)
: Prism Reading & Writing 1 Student's Book with Digital Pack
: Prism Listening & Speaking 2 Student's Book with Digital Pack
: Prism Listening & Speaking 1 Student's Book with Digital Pack
: Evolve 2A Student's Book with Digital Pack
: Evolve 2 Student's Book with Digital Pack
: Interchange 2 Student's Book with Digital Pack (5th Edition)
: Interchange Intro Student's Book with Digital Pack (5th Edition)
: Evolve 1B Student's Book with Digital Pack
: Interchange 1 Student's Book with Digital Pack (5th Edition)
: Four Corners 3 Student's Book with Digital Pack (2nd Edition)
: Four Corners 2 Student's Book with Digital Pack (2nd Edition)
: Four Corners 1 Student's Book with Digital Pack (2nd Edition)
: Four Corners 4 Student's Book with Digital Pack (2nd Edition)
: Speak Out B1 Student's Book and ebook with Online Practice (3rd Edition)
: Speak Out A2 Student's Book and ebook with Online Practice (3rd Edition)
: New Concept Japanese 신개념 일본어 프리토킹 (최신개정판) Student's Book with Audio CD(2)
: New Concept Japanese 신개념 일본어 중급편 (최신개정판) Student's Book with Audio CD(2)